MLECO-2079 Adding the python KWS example

Signed-off-by: Eanna O Cathain <eanna.ocathain@arm.com>
Change-Id: Ie1463aaeb5e3cade22df8f560ae99a8e1c4a9c17
diff --git a/python/pyarmnn/examples/tests/conftest.py b/python/pyarmnn/examples/tests/conftest.py
new file mode 100644
index 0000000..b7fa73b
--- /dev/null
+++ b/python/pyarmnn/examples/tests/conftest.py
@@ -0,0 +1,39 @@
+# Copyright © 2021 Arm Ltd and Contributors. All rights reserved.
+# SPDX-License-Identifier: MIT
+
+import os
+import ntpath
+
+import urllib.request
+import zipfile
+import pytest
+
+script_dir = os.path.dirname(__file__)
+
+
+@pytest.fixture(scope="session")
+def test_data_folder():
+    """
+        This fixture returns path to folder with shared test resources among all tests
+    """
+
+    data_dir = os.path.join(script_dir, "testdata")
+    if not os.path.exists(data_dir):
+        os.mkdir(data_dir)
+    files_to_download = ["https://raw.githubusercontent.com/opencv/opencv/4.0.0/samples/data/messi5.jpg",
+                         "https://raw.githubusercontent.com/opencv/opencv/4.0.0/samples/data/basketball1.png",
+                         "https://raw.githubusercontent.com/opencv/opencv/4.0.0/samples/data/Megamind.avi",
+                         "https://github.com/ARM-software/ML-zoo/raw/master/models/object_detection/ssd_mobilenet_v1/tflite_uint8/ssd_mobilenet_v1.tflite",
+                         "https://git.mlplatform.org/ml/ethos-u/ml-embedded-evaluation-kit.git/plain/resources/kws/samples/yes.wav",
+                         "https://raw.githubusercontent.com/Azure-Samples/cognitive-services-speech-sdk/master/sampledata/audiofiles/myVoiceIsMyPassportVerifyMe04.wav"
+                         ]
+
+    for file in files_to_download:
+        path, filename = ntpath.split(file)
+        file_path = os.path.join(data_dir, filename)
+        if not os.path.exists(file_path):
+            print("\nDownloading test file: " + file_path + "\n")
+            urllib.request.urlretrieve(file, file_path)
+
+
+    return data_dir